Finding the Fourth Proportional to 12,760.04, 17,606.82 and 7,723.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,760.04 : 17,606.82 = 7,723.40 : x
2. Step 2: Convert to fraction form
   12,760.04/17,606.82 = 7,723.40/x
3. Step 3: Cross multiply
   12,760.04x = 17,606.82 × 7,723.40
4. Step 4: Simplify right side
   12,760.04x = 135,984,513.59
5. Step 5: Solve for x
   x = 135,984,513.59/12,760.04
6. Step 6: Final answer
   x = 10,657.06